Other Chemistry Answers

Calculate absorption spectra lamda(max) of diene , when the parent compound H2C=CH-CH=CH2 contains 3 methyl groups absorbs at 214 nm.

A constant current was passed through a solution of AuCl-4 ions between gold electrodes.After a period of 10.00 minutes the cathode increased in weight by 1.314grams.how much charge was passed and what was the current I?

What is Sp2 hybridization? What is a nucleophile? Why we show a circle inside a benzene ring instead of double bonds?

What are units measurement units and dimension used in chemistry

calculate the atomic number of an element whose atomic nucleus has mass number 23 and neutron number 12. what is the symbol of the atom

in order to Sublime the vapor pressure of the solid needs to equal the surrounding....

What is the maximum mass of S8 that can be produced by combining 90.0 g of each reactant?
8SO2+16H2S>>>>>> 3S8+16H2O

What volume (in L) of 0.90% NaCl solution is needed to provide 4.7 g of NaCl? Assume the density of the solution is 1.0 g/mL. _______ L

suggest an explanation for the fact that the determination of solubility by the analytical method used in A GENERALLY gives a value which falls slightly below the curve obtained in B?

ACCORDING to the solubility curve obtained in this experiment what is the solubility of potassium chlorate in water at 45 c? at 63 c?

would the experimental curve as obtained by the method used in B lie above or below the accepted curve if :(explain each answer concisely)
a)some of the water were lost through excessive heating?

b)some of the solid were spilled and did not dissolve in the water after being weighed?

c)the crystals were not observed promptly?

d) the salt tends to give supersaturated solutions?

A chemical reaction can theoretically produce 137.5 grams of product, but in actuality 112.9 grams are produced. Which is the percent yield for this reaction?